Video: Vim li cas ntshav smear stained?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov no cov quav tso cai rau kev kuaj pom dawb ntshav cev, red ntshav cell, thiab platelet abnormalities. Hematopathologists feem ntau siv lwm yam tshwj xeeb cov quav los pab nyob rau hauv qhov sib txawv ntawm kev kuaj mob ntshav tsis meej pem.
Ib yam li ntawd, nws yog nug, dab tsi stain yog siv rau cov ntshav smears?
Romanowsky stains universally siv nyob rau hauv hematology. Lawv yog tsim los ntawm methylene xiav, oxidative khoom ntawm methylene xiav (Azure A, Azure B, Azure C thiab Thionin) thiab eosin dyes. Giemsa, feem ntau siv stain tsis txaus stains cov qe ntshav liab, platelets lossis cov qe ntshav dawb cytoplasms thaum siv ib leeg.
Tsis tas li ntawd, ua li cas koj stain peripheral smear? Cov pleev yog npog nrog pes tsawg kwv yees li kaum feeb, tom qab ntawd diluted nrog dej thiab tso cai rau kaum feeb ntxiv rau lub hlwb kom zoo pes tsawg . Ua raws li pes tsawg daim ntawv thov, tus swb yog rinsed nyob rau hauv dej khiav. Lub swb yuav tsum tau so hauv qab nrog paj rwb kom tshem tawm ntau dhau pes tsawg.
Tsis tas li ntawd yuav paub, dab tsi yog ntshav smear ntes tau?
A ntshav smear yog a ntshav xeem siv rau nrhiav kev txawv txav hauv ntshav hlwb. Peb lub ntsiab ntshav cov hlwb uas ntsuas tsom rau yog: cov hlwb liab, uas nqa oxygen thoob plaws hauv koj lub cev. cov hlwb dawb, uas pab koj lub cev tiv thaiv kab mob thiab lwm yam kab mob.
Dab tsi yog qhov zoo ntawm cov ntshav smear?
Nws yuav tsum muaj zaj sawv sheen thaum reflecting lub teeb. Cov pleev yuav tsum du tag nrho ntev ntawm tus swb uas tsis muaj qhov, kab los yog grainy tsos. Lub swb muaj a ntshav smear uas yog raws nraim ib tug cell tuab nyob rau hauv lub feathered ntug thaum saib microscopically.
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